US6872840B1 - Synthesis of 8-membered carbocyclic compound having diexomethylene groups - Google Patents

Synthesis of 8-membered carbocyclic compound having diexomethylene groups Download PDF

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Publication number
US6872840B1
US6872840B1 US10/823,708 US82370804A US6872840B1 US 6872840 B1 US6872840 B1 US 6872840B1 US 82370804 A US82370804 A US 82370804A US 6872840 B1 US6872840 B1 US 6872840B1
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compound
membered carbocyclic
reaction
membered
carbocyclic compound
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US20050059732A1 (en
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Yong Seo Cho
Moon Ho Chang
Hun Yeong Koh
Ae Nim Pae
Hyun Jung Kang
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Korea Advanced Institute of Science and Technology KAIST
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Korea Advanced Institute of Science and Technology KAIST
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Assigned to KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY reassignment KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHANG, MOON HO, CHO, YONG SEO, KANG, HYUN JUNG, KOH, HUN YEONG, PAE, AE NIM
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D493/00Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/08Bridged systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/335Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/34Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide
    • A61K31/343Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide condensed with a carbocyclic ring, e.g. coumaran, bufuralol, befunolol, clobenfurol, amiodarone

Definitions

  • the present invention relates to a synthesis of an 8-membered carbocyclic compound having diexomethylene groups, more particularly to a synthesis of an 8-membered carbocyclic compound having diexomethylene groups, a novel compound having the structure represented by the following Chemical Formula 1, from trimethylsilanylmethyl-allenol derivative by the intramolecular Prins cyclization using Lewis acid.
  • the 8-membered carbocyclic compound is a useful intermediate for synthesis of other multicarbocyclic compounds.
  • R 1 is a phenyl group
  • R 2 and R 3 is respectively a hydrogen atom, or R 1 , R 2 and R 3 may be connected with neighboring substituents to form a 5 to 10-membered aliphatic or aromatic ring.
  • 8-membered carbocyclic compounds are important ingredients of biologically active natural substances and medicines. Recently, they are gaining interest in genetics because they are known to take part in cell division. For example, Taxol, which is widely known as anticancer drug [Taxane Anticancer Agents, ACS Symposium Series 583], has an 8-membered ring. Besides, since 8-membered carbocyclic compounds have good biological activities, development of an 8-membered carbocyclic compound with a new structure is a prerequisite for drug researches.
  • a carbocyclic compound having diexomethylene groups can be expanded to other multicarbocyclic compounds through Diels-Alder reactions. Therefore, the compound represented by Chemical Formula 1, which has diexomethylene groups, is a very useful intermediate in synthesizing a multicarbocyclic compound via Diels-Alder reactions.
  • the present invention is characterized by an 8-membered carbocyclic compound having a new structure, which is represented by the following Chemical Formula 1:
  • R 1 is a phenyl group
  • R 2 and R 3 is respectively a hydrogen atom, or R 1 , R 2 and R 3 may be connected with neighboring substituents to form a 5 to 10-membered aliphatic or aromatic ring.
  • the present invention is characterized by a method of synthesizing the compound represented by Chemical Formula 1 from a trimethylsilanylmethyl-allenol derivative by the intramolecular Prins cyclization in the presence of Lewis acid.
  • the 8-membered carbocyclic compound represented by Chemical Formula 1, which is provided by the present invention, is a novel compound having diexomethylene groups, and it can be used as an active ingredient of medicines, or intermediate of synthesizing multicarbocyclic compounds in the field of medicine and precise chemistry.
  • the present invention also provides a method of synthesizing the compound represented by Chemical Formula 1 from a trimethylsilanylmethyl-allenol derivative by the intramolecular Prins cyclization in the presence of Lewis acid.
  • TMSOTf trimethylsilyl trifluoromethanesulfonate
  • the Lewis acid is used in 1.0 to 1.5 equivalent of the starting material, trimethylsilanylmethyl-allenol derivative.
  • reaction solvent common organic solvents such as diethyl ether, tetrahydrofuran, dichloromethane, chloroform and ethyl acetate can be used. Most preferably, diethyl ether is used. The reaction was performed at from ⁇ 90° C. to room temperature (25° C.) for
  • the compound represented by Chemical Formula 1 is useful in the field of medicine and precise chemistry. Because the compound represented by Chemical Formula 1 has diexomethylene groups, other multicarbocyclic compounds can be prepared from it via Diels-Alder reactions.
  • the present invention offers the following advantages:

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
US10/823,708 2003-09-17 2004-04-14 Synthesis of 8-membered carbocyclic compound having diexomethylene groups Expired - Fee Related US6872840B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020030064384A KR100558849B1 (ko) 2003-09-17 2003-09-17 두 개의 엑소 메틸렌을 가지는 8각형 고리화합물과 이의제조방법
KR10-2003-0064384 2003-09-17

Publications (2)

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US20050059732A1 US20050059732A1 (en) 2005-03-17
US6872840B1 true US6872840B1 (en) 2005-03-29

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JP (1) JP2005089429A (ko)
KR (1) KR100558849B1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100645373B1 (ko) * 2005-07-08 2006-11-14 한국과학기술연구원 세 고리형 테트라하이드로퓨란 락톤 화합물과 이의 제조방법
KR100645372B1 (ko) * 2005-07-08 2006-11-14 한국과학기술연구원 두 고리형 테트라하이드로퓨란 락톤 화합물과 이의 제조방법
KR100645371B1 (ko) * 2005-07-08 2006-11-14 한국과학기술연구원 두 고리형 테트라하이드로퓨란 화합물과 이의 제조방법

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Article "The 91<st >National Meeting of the Korean Chemical Society", ISSN 1229-6708, Apr. 18-19, 2003, p. 363.
Paul A. Wender, et al., "Transition Metal-Catalyzed [6+2] Cycloadditions of 2-Vinylcyclobutanones and Alkenes: A New Reaction for the Synthesis of Eight-Membered Rings", J. Am. Chem. Soc., vol. 122, No. 32, 2000 American Chemical Society, pp. 7815-7816.
Scott R. Gilbertson, et al., "Rhodium Catalyzed [4+2+2] Cycloaddition and Alkyne Insertion: A New Route to Eight-Membered Rings", J. Am. Chem. Soc., vol. 124, No. 30, 2002, American Chemical Society, pp. 8784-8785.

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KR100558849B1 (ko) 2006-03-10
US20050059732A1 (en) 2005-03-17
JP2005089429A (ja) 2005-04-07
KR20050028095A (ko) 2005-03-22

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